6
"
 Create incremental backups with tar, in tar.gz format:
 ------------------------------------------------------
 tar  --listed-incremental=<folder_name>-snapshot.file 
 -czf <folder_name>-$now.tar.gz /boot
 -------------------------------------------------------
 https://bit.ly/3qNYHVQ
 /home/mic/sripts/incremental_backup.sh
 "